98%的人打與不打都不會得流感，你說這不是 ineffective，那是什麽？你給個科學準確的詞唄。

來源: 萬得福於 2017-10-16 11:52:33 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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